LONDON — A new report into systematic Russian doping details a wide-ranging "institutional conspiracy" that involved more than 1,000 athletes across more than 30 sports, including evidence corroborating large-scale sample swapping at the 2014 Sochi Winter Olympics.

KANSAS CITY, Mo. — Tyreek Hill didn't know what to do when he started hearing thousands of people in Arrowhead Stadium chanting his name, even as he stood all alone on the frozen turf waiting for the punt.